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Biological pesticide and preparation method thereof

A technology of biopesticide and Andrographis paniculata, applied in the field of pesticides, can solve problems such as eutrophication of aquatic organisms, and achieve the effect of low cost, efficient insecticidal effect, and wide sources

Inactive Publication Date: 2018-02-16
GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, they contain phosphorus, which can easily cause eutrophication of aquatic organisms

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The biopesticide of the present embodiment is made from the raw materials of the following weights: Achyranthes bidentata 5kg, neem 12kg, pyrethrum 4kg, Andrographis paniculata 9kg, dandelion 4kg, matrine 15kg, geranium 4kg, nuxychia 12kg, houttuynia cordata 4kg, Andrographis paniculata 9kg and Scutellaria baicalensis 5kg.

[0019] The preparation method of the above-mentioned biopesticide comprises the following steps: weighing the following weights of fully dried raw materials: Achyranthes bidentata 5kg, neem 12kg, pyrethrum 4kg, andrographis 9kg, dandelion 4kg, matrine 15kg, geranium 4kg , Nuxychia 12kg, Houttuynia cordata 4kg, Andrographis paniculata 9kg and Scutellaria baicalensis 5kg, after mixing uniformly, pulverize, cross 40 mesh sieves, promptly obtain described biopesticide.

Embodiment 2

[0021] The biopesticide of the present embodiment is made from the following raw materials: Achyranthes bidentata 10kg, neem 8kg, pyrethrum 8kg, Andrographis paniculata 6kg, dandelion 7kg, matrine 10kg, geranium 8kg, nuxychium 8kg, houttuynia cordata 7kg, Andrographis paniculata 6kg and Scutellaria baicalensis 10kg.

[0022] The preparation method of the above biopesticide comprises the following steps: Weigh the following weights of fully dried raw materials: Achyranthes bidentata 10kg, neem 8kg, pyrethrum 8kg, andrographis 6kg, dandelion 7kg, matrine 10kg, geranium 8kg , Nuxychia 8kg, Houttuynia cordata 7kg, Andrographis paniculata 6kg and Scutellaria baicalensis 10kg, after mixing uniformly, pulverize, cross 50 mesh sieves, promptly obtain described biopesticide.

Embodiment 3

[0024] The biopesticide of the present embodiment is made from the following raw materials: 15kg of Achyranthes bidentata, 4kg of neem seed, 12kg of pyrethrum, 3kg of Andrographis paniculata, 10kg of dandelion, 5kg of matrine, 12kg of geranium, 4kg of nutmeg, and Houttuynia cordata 10kg, Andrographis paniculata 3kg and Scutellaria baicalensis 15kg.

[0025] The preparation method of the above-mentioned biopesticide comprises the following steps: taking the following weights of fully dried raw materials: Achyranthes bidentata 15kg, neem 4kg, pyrethrum 12kg, andrographis paniculata 3kg, dandelion 10kg, matrine 5kg, geranium 12kg , Nuxychia 4kg, Houttuynia cordata 10kg, Andrographis paniculata 3kg and Scutellaria baicalensis 15kg, after mixing uniformly, pulverize, cross 60 mesh sieves, promptly obtain described biopesticide.

[0026] See Table 1 for the control effects (% lethality) of the biological pesticides obtained in Examples 1-3 on 6 insects.

[0027] The control effect ...

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Abstract

The invention belongs to the technical field of pesticides and discloses a biological pesticide and a preparation method thereof. The biological pesticide is prepared from, by weight, 5-15 parts of Radix Achyranthis Bidentatae, 4-12 parts of Fructus Meliae Azedarach, 4-12 parts of Flos Pyrethri Dalmatiani, 3-9 parts of Herba Andrographitis, 4-10 parts of Herba Taraxaci, 5-15 parts of sophocarpidine, 4-12 parts of Semen Strychni, 4-10 parts of Herba Houttuyniae, 3-9 parts of Herba Andrographitis and 5-15 parts of Radix Scutellariae. The biological pesticide is harmless to human and animals, free of side effects, environment pollution and residues, efficient in pesticidal effect and high in economic value and social value.

Description

technical field [0001] The invention relates to a biological pesticide and a preparation method thereof, belonging to the technical field of pesticides. Background technique [0002] Pesticides are used to kill insects, fungi, and other organisms that harm crop growth. The earliest pesticides used were DDT, BCH, etc. They can eliminate pests in large numbers. However, they have good stability, can exist in the environment for a long time, and accumulate continuously in animals, plants and humans, so they are eliminated. Later, organophosphorus pesticides, such as dichlorvos, were used instead of the original pesticides. However, they contain phosphorus, which can easily cause eutrophication of aquatic organisms. In recent years, a batch of high-efficiency and low-toxic pesticides have appeared. Now people have found specific pesticides, that is, hormonal pesticides. Most of the pesticide residues used by people today are harmful to crops. The raw materials of the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/26A01N43/90A01P7/04
CPCA01N43/90A01N65/00A01N65/08A01N65/12A01N65/22A01N65/26Y02A50/30
Inventor 黄云鸿李力
Owner GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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